Home / 2,826.70-4,239.95-1,346.98

Finding the Fourth Proportional to 2,826.70, 4,239.95 and 1,346.98

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Solution

The fourth proportional to 2,826.70, 4,239.95 and 1,346.98 is: 2,020.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.70 : 4,239.95 = 1,346.98 : x
  2. Step 2: Convert to fraction form
    2,826.70/4,239.95 = 1,346.98/x
  3. Step 3: Cross multiply
    2,826.70x = 4,239.95 × 1,346.98
  4. Step 4: Simplify right side
    2,826.70x = 5,711,118.47
  5. Step 5: Solve for x
    x = 5,711,118.47/2,826.70
  6. Step 6: Final answer
    x = 2,020.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.